Car running rich

[ls1240]

I have a 1990 s13 hatch and it is running rich I looked for vaccum leaks or lines that are off everything was good and then I was turning the injectors just wiggling them and the idle dropped then I put my head to it and heard a leak I just wanna know whre can I get new seals for the injectors someone told me it is just o-rings is this true? And how do I know what size to get?

[rivera01]

Nissan should have them for sure, but napa may sell them too. Just any o-ring won't work (trust me I tried before), the gasoline will cause some to get brittle and crack and others just don't hold the pressure.

Best bet is to get the oem ones or aftermarket ones specifically for your car

[Klits562]

autozone or courtesyparts.com get injector seal kit.

[ls1240]

Hey thanks guys I went to napa and got them I just need to know what I need to do to change it I'm gonna do it myself and I have never done it so what are thE things I need to take out before the injectors?

[dccse3k]

(ka24e not sure if de is the same)
relieve the fuel pressure (i just use my fuel pump killswitch and run it till it dies)
take off bpt valve, has 3 vacuum lines on it one on the bottom
take off fuel rail, there are some vacuum lines but if youre just replacing the orings you should have enough room w/ out taking them off
then put it back together it's real simple, make sure you line up the injectors and they all go in straight to the intake manifold

[ls1240]

Yeah thanks man it was pretty simple I just didn't relieve the pressure but I took them out and I realized I had gotten the wrong ones sooooooooo I had to put everything back and I looked at all the seals they were all bad but one in particular was ripped completely I just put that on cylinder one and tightened it real well and now it's tine I. Just have to go get the right ones now but my car isn't running rich anymore since it doesn't leak